Home / 281,247,997.35-421,881,563.61-133,619,367.36

Finding the Fourth Proportional to 281,247,997.35, 421,881,563.61 and 133,619,367.36

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Solution

The fourth proportional to 281,247,997.35, 421,881,563.61 and 133,619,367.36 is: 200,433,596.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,247,997.35 : 421,881,563.61 = 133,619,367.36 : x
  2. Step 2: Convert to fraction form
    281,247,997.35/421,881,563.61 = 133,619,367.36/x
  3. Step 3: Cross multiply
    281,247,997.35x = 421,881,563.61 × 133,619,367.36
  4. Step 4: Simplify right side
    281,247,997.35x = 56,371,547,630,415,800
  5. Step 5: Solve for x
    x = 56,371,547,630,415,800/281,247,997.35
  6. Step 6: Final answer
    x = 200,433,596.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.